Assassin Picture of the Week
2013 July 10
NGC 2617: Dramatic Seyfert Type Change
There is an old saying that goes, "A picture is worth a thousand
words." For (some) astronomers, if a picture is worth a thousand
words, then a spectrum is worth a thousand pictures. This might be
true in this case: comparing the 2013 spectrum of NGC 2617 obtained by
J. Prieto with the Apache Point Observatory 3.5m-telescope to 6dF
galaxy survey spectrum taken in 2003, we noticed a dramatic
spectral evolution, which led to
observations with many ground-based and space
telescopes. Read this ATel to
see what that has to do with ASAS-SN.
See the previous APOW.
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Updated Wed Jul 10 16:23:33 EDT 2013